RESUMO
Objective To investigate the effects of the head peripheral nerve block on remifentanil consumption and postoperative pain in patients undergoing craniocerebral surgery. Methods 80 patients under general anesthesia undergoing supratentorial craniocerebral surgery were randomly divided into two groups:the head peripheral nerve block combined intravenous anesthesia group (group S, 40 cases) and the simple intravenous anesthesia group (group C, 40 cases). After anesthesia induction intubation, the patients in group S received the head peripheral nerve block with 0.596% ropivacaine mesylate injection,including supraorbital nerve, supratrochlear nerve , auriculotemporal nerve , great occipital nerve and lesser occipital nerve , as well as regional nerve on the corresponding position of the bilateral head nails. Haemodynamic index of the operations was measured;drug consumption during operation and VAS pain score at 0. 5, 2, 6, 12, 24 and 48 h after surgery were recorded. Results Compared with group C, the values of SBP, DBP, HR had a significant decrease at head-nail insertion and the latter stage in group S(P<0.05). The remifentanil consumption and VAS scores had a significant decrease in group S (P < 0.05). Conclution Head peripheral nerve block before operation could enhance anesthesic analgesia, reduce the remifentanil consumption and postoperative pain in patients undergoing craniocerebral surgery.